7.8
High
CVE-2026-63525 Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code locally
Description
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office 2019 19.0 | 19.0.0 → latest | No fix stated |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → latest | No fix stated |
| Microsoft Word 2016 16.0 | 16.0.1 → < 16.0.5565.1000 | 16.0.5565.1000 |
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Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network
8.8
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